阅读说明：本技术 一种喷臂组件及洗碗机 (Spray arm assembly and dish washing machine ) 是由 刘瑶 丘啸雄 张宇 李姗姗 黄进杰 郭名威 鄢贵祥 施国志 于 2019-12-16 设计创作，主要内容包括：本发明公开了一种喷臂组件及洗碗机,其中喷臂组件用于洗碗机上,包括中心轴管和喷臂主体,中心轴管的出水端与喷臂主体的进水端固定连接,喷臂主体包括至少两个出水端,喷臂主体的出水端转动连接支臂,支臂上设置喷嘴；还包括用于驱动中心轴管转动的第一驱动装置和用于驱动支臂自转的第二驱动装置。本发明所述的喷臂组件具有两个或两个以上的支臂,支臂能够绕喷臂组件的中心轴线转动,同时,绕支臂的中心轴自转,大大增加喷臂组件的辐射范围,达到更好的洗涤效果。(The invention discloses a spray arm component and a dish washing machine, wherein the spray arm component is used on the dish washing machine and comprises a central shaft tube and a spray arm main body, the water outlet end of the central shaft tube is fixedly connected with the water inlet end of the spray arm main body, the spray arm main body comprises at least two water outlet ends, the water outlet end of the spray arm main body is rotatably connected with a support arm, and a nozzle is arranged on the support arm; the device also comprises a first driving device used for driving the central shaft tube to rotate and a second driving device used for driving the support arm to rotate. The spray arm assembly provided by the invention is provided with two or more than two support arms, the support arms can rotate around the central axis of the spray arm assembly, and simultaneously, the support arms rotate around the central axis of the support arms, so that the radiation range of the spray arm assembly is greatly enlarged, and a better washing effect is achieved.)

1. A spray arm component is used on a dish washing machine and is characterized by comprising a central shaft tube (1) and a spray arm main body (2), wherein the water outlet end of the central shaft tube (1) is fixedly connected with the water inlet end of the spray arm main body (2), the spray arm main body (2) comprises at least two water outlet ends, the water outlet end of the spray arm main body (2) is rotatably connected with a support arm, and a nozzle is arranged on the support arm; the device also comprises a first driving device (6) used for driving the central shaft tube (1) to rotate and a second driving device used for driving the support arm to rotate.

2. The spray arm assembly according to claim 1, wherein the first driving means (6) is a driven gear (11) fixed to an outer wall of the central shaft tube (1) and a driving gear (62) engaged with the driven gear (11), the driving gear (62) is disposed at one side of the central shaft tube (1), and the driving gear (62) is fixed to a driving shaft of the motor (61).

3. The spray arm assembly according to claim 1, wherein the first driving means (6) is a driven gear (11) fixed on the outer wall of the central shaft tube (1), the driven gear (11) is driven by a belt to a driving gear (62), and the driving gear (62) is fixed on the output shaft of the motor (61).

4. The spray arm assembly according to claim 2 or 3, wherein the pipe wall of the water outlet end of the central shaft tube (1) is provided with concave-convex saw teeth (12), the pipe wall of the water inlet end of the spray arm main body (2) is provided with a concave-convex structure matched with the saw teeth (12), and the outer wall of the joint of the central shaft tube (1) and the spray arm main body (2) is sleeved with the sleeve (3) to fixedly connect the central shaft tube (1) and the spray arm main body (2).

5. The spray arm assembly according to claim 4, characterized in that the bottom end of the sleeve (3) is provided with a limiting plate, and when the sleeve (3) is sleeved on the outer wall of the central shaft tube (1) and the spray arm main body (2), the bottom surface of the limiting plate is contacted with the top surface of the driven gear (11).

6. The spray arm assembly according to claim 5, wherein the bottom surface of the limit plate contacting the driven gear (11) is provided with an anti-slip structure, and the anti-slip structure is a protrusion or a ring-shaped rib made of an elastic material.

7. The spray arm assembly according to claim 4, characterized in that the water outlet end of the spray arm main body (2) is communicated with at least two water outlet pipes, the at least two water outlet pipes are uniformly distributed around the central axis of the central axis pipe (1), and the at least two water outlet pipes rotate to fix the support arm.

8. The spray arm assembly according to claim 7, wherein the spray arm main body (2) is provided with two water outlet pipes which are uniformly distributed around the central axis of the central axis pipe (1), the two water outlet pipes are respectively and rotatably fixed with the first support arm (4) and the second support arm (5), the outer wall of the end part of each water outlet pipe is provided with an annular clamping groove (21), and the openings of the first support arm (4) and the second support arm (5) are respectively provided with inwards-folded clamping edges.

9. The spray arm assembly according to claim 8, wherein the second driving means comprises a first bevel gear (31) provided on the top end of the sleeve (3), a second bevel gear (41) provided on the outer wall of the opening of the first arm (4), and a third bevel gear (51) provided on the outer wall of the opening of the second arm (5), the second bevel gear (41) and the third bevel gear (51) being engaged with the first bevel gear (31), respectively.

10. A dishwasher, characterized in that, comprises an inner container and a spray arm component as claimed in any one of claims 1 to 9, wherein, a spray arm seat is arranged on the bottom surface of the inner container, and the spray arm component is sealed and clamped on the spray arm seat.

Technical Field

The invention relates to a dish washing machine, in particular to a spray arm assembly and a dish washing machine.

Background

The small table dish washer is one with two central symmetrical blades. The structure of the type operates stably, the power is not very high, and the structure method is a good structural method for solving the problem of the spray arm of the dish washing machine. However, the spray arm is noisy and occupies a large space during operation, and the space for placing the bowl basket may be affected sometimes.

Disclosure of Invention

The invention aims to provide a spray arm assembly and a dish washing machine, which aim to solve the technical problems mentioned in the background technology.

In order to achieve the purpose, the specific technical scheme of the spray arm assembly and the dish washing machine is as follows:

the utility model provides a spray arm subassembly for on dish washer, includes central siphon and spray arm main part, the play water end of central siphon and the end fixed connection that intakes of spray arm main part, and the spray arm main part includes two at least play water ends, and the play water end of spray arm main part rotates and connects the support arm, sets up the nozzle on the support arm, still includes drive arrangement, and drive arrangement is including the second drive arrangement who is used for driving central siphon pivoted first drive arrangement and is used for driving the rotation of support arm.

Furthermore, the first driving device is a driven gear fixed on the outer wall of the central shaft tube and a driving gear meshed with the driven gear, the driving gear is arranged on one side of the central shaft tube, the driving gear is fixed on a driving shaft of the motor, and the motor is fixed on an inner container of the dish-washing machine.

Furthermore, the first driving device is a driven gear fixed on the outer wall of the central shaft pipe, the driven gear is in transmission with the driving gear through a belt, and the driving gear is fixed on an output shaft of the motor.

Furthermore, set up unsmooth sawtooth on the pipe wall of central axis pipe water outlet end, set up on the pipe wall of the end of intaking of spray arm main part with sawtooth complex concave-convex structure, the sleeve pipe is established to the cover on the outer wall of central axis pipe and spray arm main part junction, with central axis pipe and spray arm main part fixed connection.

Further, the sleeve pipe bottom sets up the limiting plate, and when the sleeve pipe cup jointed the outer wall at central axis pipe and spray arm main part, the limiting plate bottom surface contacted with driven gear's top surface.

Furthermore, the bottom surface of the limiting plate, which is in contact with the driven gear, is provided with an anti-skid structure, and the anti-skid structure is a bulge or an annular convex rib made of an elastic material.

Furthermore, the water outlet end of the spray arm main body is communicated with at least two water outlet pipes, the at least two water outlet pipes are uniformly distributed around the central shaft of the central shaft pipe, and the at least two water outlet pipes are rotatably fixed on the support arm.

Further, the spray arm main part sets up two outlet pipes, and two outlet pipes are around the center pin evenly distributed of central axis pipe, and two outlet pipes are the first support arm of pivoted fixed and second support arm respectively, set up annular joint groove on the outer wall of outlet pipe tip, and the opening part of first support arm and second support arm sets up the joint limit of turning over to the enstrophe respectively.

Furthermore, the second driving device comprises a first bevel gear arranged at the top end of the sleeve, a second bevel gear arranged on the outer wall of the opening of the first support arm and a third bevel gear arranged on the outer wall of the opening of the second support arm, and the second bevel gear and the third bevel gear are respectively meshed with the first bevel gear.

A dish washing machine comprises an inner container and the spray arm assembly, wherein a spray arm seat is arranged on the bottom surface of the inner container, and the spray arm assembly is connected to the spray arm seat in a sealing and clamping mode.

The spray arm assembly and the dish washing machine have the following advantages that:

the spray arm assembly provided by the invention is provided with two or more than two support arms, the support arms can rotate around the central axis of the spray arm assembly, and simultaneously, the support arms rotate around the central axis of the support arms, so that the radiation range of the spray arm assembly is greatly enlarged, and a better washing effect is achieved.

Drawings

FIG. 1 is a perspective view of the spray arm assembly of the present invention;

FIG. 2 is a cross-sectional view of the spray arm assembly of the present invention;

FIG. 3 is a top view of the spray arm assembly of the present invention;

fig. 4 is a cross-sectional view taken along plane a-a of fig. 3.

The reference numbers in the figures illustrate: 1. a central shaft tube; 11. a driven gear; 12. saw teeth; 2. a spray arm body; 21. a clamping groove; 3. a sleeve; 31. a first bevel gear; 4. a first support arm; 41. a second bevel gear; 5. a second support arm; 51. a third bevel gear; 6. a first driving device; 61. a motor; 62. a drive gear.

Detailed Description

For a better understanding of the objects, structure and function of the invention, a spray arm assembly and dishwasher according to the invention will be described in more detail with reference to the accompanying drawings.

As shown in fig. 1, the spray arm assembly of the present invention, which is used in a dishwasher, includes a central shaft tube 1 and a spray arm main body 2, wherein a water outlet end of the central shaft tube 1 is fixedly connected to a water inlet end of the spray arm main body 2, the spray arm main body 2 includes at least two water outlet ends, a water outlet pipe of the spray arm main body 2 is rotatably connected to a support arm, a nozzle is disposed on the support arm, and the spray arm assembly further includes a driving device, the driving device drives the support arm to rotate around a central shaft of the central shaft tube 1, and simultaneously, the driving device drives the support arm. The driving device drives the support arm to rotate around the central shaft tube 1 and rotate simultaneously, so that the radiation range of the spray arm is enlarged, and the washing effect of the spray arm assembly is greatly improved.

The driving device comprises a first driving device 6 for driving the central shaft tube 1 to rotate and a second driving device for driving the support arms to rotate.

First drive arrangement 6 is the gear drive structure, and the gear drive structure is including fixing driven gear 11 and the driving gear 62 with driven gear 11 meshing at central axis pipe 1 outer wall, and driving gear 62 sets up in central axis pipe 1 one side, and driving gear 62 is fixed in the drive shaft of motor 61, and motor 61 is fixed on the inner bag of dish washer.

As shown in fig. 2 to 4, the gear transmission structure includes a driven gear 11 fixed on the outer wall of the central shaft tube 1 and a driving gear 62 engaged with the driven gear 11, the driving gear 62 is fixed on the driving shaft of the motor 61, and both the driving gear 62 and the driven gear 11 are bevel gears.

The first driving device 6 can also be a belt transmission structure, the belt transmission structure comprises a driven gear 11 fixed on the outer wall of the central shaft tube 1, the driven gear 11 is in transmission with a driving gear 62 through a belt, and the driving gear 62 is fixed on an output shaft of the motor 61.

Set up unsmooth sawtooth 12 on the pipe wall of the water end of central axis pipe 1, set up on the pipe wall of the end of intaking of spray arm main part 2 with sawtooth 12 complex concave-convex structure, the cover is established on the outer wall of central axis pipe 1 and spray arm main part 2 junction to it is fixed with central axis pipe 1 and spray arm main part 2.

The limiting plate is arranged at the bottom end of the sleeve 3, and when the sleeve 3 is sleeved on the outer walls of the central shaft tube 1 and the spray arm main body 2, the bottom surface of the limiting plate is in contact with the top surface of the driven gear 11.

In order to enable the spray arm main body 2 to rotate synchronously with the central shaft tube 1, the bottom surface of the limiting plate in contact with the driven gear 11 is provided with an anti-skid structure, and the anti-skid structure can be a bulge or an annular convex rib made of elastic materials such as rubber and silica gel.

The water outlet end intercommunication of spray arm main part 2 has two piece at least outlet pipes, and two piece at least outlet pipes set up annular joint groove 21 around the center pin evenly distributed of central axis pipe 1 on the outer wall of outlet pipe tip, and the opening part of support arm sets up the joint limit of turning over the book inwards, and when joint limit card income joint groove 21, support arm pivoted is fixed on the outlet pipe of spray arm main part 2.

As shown in fig. 1, the spray arm body 2 is provided with two water outlet pipes, the two water outlet pipes are respectively and rotatably fixed with a first support arm 4 and a second support arm 5, and the first support arm 4 and the second support arm 5 are respectively provided with a nozzle.

The second driving device comprises a first bevel gear 31 arranged at the top end of the sleeve 3, a second bevel gear 41 arranged on the outer wall of the opening of the first support arm 4 and a third bevel gear 51 arranged on the outer wall of the opening of the second support arm 5, and the second bevel gear 41 and the third bevel gear 51 are respectively meshed with the first bevel gear 31. When the first driving device 6 drives the central shaft tube 1 to rotate, the spray arm main body 2 drives the support arms to rotate around the axis of the central shaft tube 1, meanwhile, the sleeve 3 and the first bevel gear 31 rotate together with the central shaft tube 1, and the second bevel gear 41 and the third bevel gear 51 drive the first support arm 4 and the second support arm 5 to rotate under the driving of the first bevel gear 31.

The invention also provides a dish washing machine, which comprises an inner container and the spray arm assembly, wherein the bottom surface of the inner container is provided with the spray arm seat, and the spray arm assembly is in sealed clamping connection with the spray arm seat. Through setting up foretell spray arm subassembly, can enlarge the coverage area of spray arm water spray, promote the washing effect of dish washer greatly.

This spray arm subassembly has two or more than two support arms, and the support arm can rotate around spray arm subassembly's the central axis, simultaneously, around the center pin rotation of support arm, greatly increased spray arm subassembly's radiation scope reaches better washing effect.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.